PR"Midori-kun" is a kit developed by the Soil Science Laboratory at Tokyo University of Agriculture that uses test strips to measure soil. Its official name is "Nodai-style Simple Soil Diagnosis Kit ...

The pH of your stomach acid can vary due to health conditions, medications, and other factors. Having a pH that is too high or too low can cause complications. Stomach acid, or gastric acid, is a ...

pH electrodes are analytical sensors for measuring potential of hydrogen (pH), the negative logarithm of the hydrogen ion activity in solution. The pH value of a substance is directly related to the ...

The pH of blood refers to how acidic it is. Changes to blood pH can signal underlying medical issues, including metabolic acidosis, respiratory acidosis, metabolic alkalosis, and respiratory alkalosis ...